Jonathan Sublett Email & Phone Number

Marianna, FL, US

Colorado Springs, Colorado Area

I am currently working as a Recon Team Lead.Previously at Deloitte I have performed the following roles:- DCO instructor - DCO Engineering Lead (Mission System)- DCO Integration Team Lead - Python Developer- Automation Engineer

Colorado Springs, Colorado Area

• Manage team of highly technical engineers integrating and aligning cybersecurity technical solutions to operational requirements for Tier 2 (CSSP-CERT) and Tier 3 (ISSO-ISSM) at Missile Defense Agency (MDA).
• Advise senior leadership on all aspects of cybersecurity.
• Review and assist with all DCO integration efforts for the Missile Defense Agency.
• Oversee project management efforts related to network defense.
• Assist with the generation of cybersecurity policy for the Missile… Show more
• Assist with the generation of cybersecurity policy for the Missile Defense Agency.

Colorado Springs, Colorado Area

• Lead SIEM engineer responsible for large enterprise Windows Server 2012r2 and RHEL 6.9 environment hosting HP’s ArcSight SIEM
• Led multiple projects for remote site integration for network defense services for ArcSight and Tenable Security Center
• Generated rhythm tasks for two security appliance teams avoided catastrophic failure for SIEM and major outage for scanning solution
• Identified multiple major security issues related to cross network attack surfaces within the… Show more
• Identified multiple major security issues related to cross network attack surfaces within the organization
• Managed small team through major emergency network changes and ensured 100% availability of analysis tools for network defense and information assurance teams Show less

INW

• Network Security engineer responsible for large (250+ server) RHEL environment hosting Tenable’s ACAS solution
• Managed production network upgrade from RHEL 5 to RHEL 6 as well concurrent Tenable scanner and ACAS upgrades
• Identified and documented vulnerabilities associated with insider threat risk inherent to RHEL and Tenable’s Security Center
• Overhauled RHEL environment allowing for remote administration through certificate trusts, custom scripts, and Satellite Server… Show more
• Overhauled RHEL environment allowing for remote administration through certificate trusts, custom scripts, and Satellite Server management
• Clearly designed and documented white papers that informed all levels of the Air Force management regarding network security solutions and best practices Show less

Colorado Springs, Colorado Area

• Missile Defense Agency (MDA) Cyber Emergency Response Team (CERT) Security Engineer responsible for analyzing and preventing internal network exploitation
• Manages in depth security scanning using ACAS across multiple domains
• Prevents network exploitation by constant monitoring of McAfee HBSS suites on multiple domains
• Identified malicious network traffic and prevented exfiltration of sensitive data
• Initiated network blocks to multiple countries preventing known botnet… Show more
• Initiated network blocks to multiple countries preventing known botnet traffic from traversing MDA boundary devices Show less

561 NOS

• Experienced Vulnerability Assessment Technician that managed in-depth scans across 56 bases. Leveraged knowledge gained from Certified Ethical Hacker (CEH) certification to correct or mitigate known vulnerabilities.
• Responsible for installation and patching of Retina, ACAS, and Nessus resulting in 99% uptime for all scanning devices assigned to area of responsibility
• Ensures scanning procedures and configurations adhere to organization’s… Show more
• Ensures scanning procedures and configurations adhere to organization’s policies
• Designs and delivers all training for work center containing 12 personnel Show less

Ramstein AB, Germany

• Senior Engineer for network realignment team, designed and transitioned from small tactical suite to the enterprise suite containing 25 Windows virtual servers
• Subject Matter Expert for McAfee HBSS servers across 24 separate deployed domains. Conducted anti-malware program on deployed networks assisting remote sites with incident response and implementation of anti-malware.
• Senior Information Assurance Officer at… Show more
• Senior Information Assurance Officer at multiple locations leveraged technical knowledge of scanning, boundary, network architecture, and HBSS to ensure Information Assurance Vulnerability Management (IAVM) program.
• Built and maintained disaster recovery plans and security policies at four sites, including three geographically separated networks Show less

Incirlik AB, Turkey

• Configured network equipment for 3.5K users on two networks valued at $40M
• Supervised installation of critical upgrades on network 1.6k assets alleviating vulnerabilities
• Managed team fixing antivirus compatibility problem and restored 494 workstations to new baseline and secured network against future attacks

Tucson, Arizona Area

• Managed intrusion detection suite securing $39M network and 8.8K users
• Secured the local unclassified network by managing the antivirus suite and controlling virus updates to all IT assets
• Monitored time critical patches for enterprise networks, ensuring compliance with vulnerability updates while securing both unclassified and classified networks

Cybersecurity, Information Technology

Information Systems Management, Information Technology